Granahan said Onto Innovation was a top portfolio contributor in Q2 2026, citing improved investor confidence in its exposure to advanced semiconductor manufacturing, packaging and AI demand. The firm trimmed its position but kept a constructive long-term view.
Onto closed at $279.73 on Sept. 24, 2026, up 119.26% over the prior year and 3.30% over the previous month. Its reported market capitalization was $17.09 billion.
The article says 75 hedge-fund portfolios held Onto shares at the end of Q2, compared with 67 in the previous quarter.
